Metal window construction.



A. PROMHOLD.

METAL WINDOW CONFST-RUCTION. APPLICATION FILEpAUG. 7, 1913-.

1,096,295, I Patentd May 12,1914.

WITNESSES: 5 l/VVE/VTOI? JM m @M UNITED simples PATENT OFFICE.

ALEXANDER FBOMHOLD, OF RUTHERFORD, NEW JERSEY,

GOMPANY, OF NEW YORK, N. Y.,

AssIcNoR T0 s. H. roMERoY, A. conronArIoN or NEW YORK.

METAL WIN DOW CONSTRUCTION.

Specification of Letters Patent.

Patented May 12, 1914.

Application filed August 7, 1913. Serial No. 783,480.

fication,reference being had to the accompanying drawing, which forms a part hereof.

In the construction of double-hung windows of sheet metal, in which both sashes move up and down in the window frame one object to be kept specially in view is the rendering of the window weather-proof, that is, the making of provision to prevent the entrance of air between the sashes and the frame. This has been accomplished effectively heretofore by the provision of an adjustable weather-guard which is formed independently of each sash and is secured ad justably thereto.

Such construction, however, involves additional expense and it is the object of this invention to provide a less expensive form 'of construction which shall nevertheless be at least as effective as the former construction in preventing the entrance of air between each sash and the window.

In accordance with the invention the pocket, or portion of the vertical window frame which is'adjacentto the sashes, is so formed as to provide two guide channels for each sash and each sash is also formed so as to provide two guides to enter such channels, so that the admission of air is eftectively prevented.

The invention will be more fully explained hereinafter with reference to the accompanying drawing in which it is illustrated and in which- Figure 1 is a view in outside elevation of a window, including frame and sashes, which embodies the invention. Fig. 2 is a View, on an enlarged scale partly broken out to save space, in section on the vertical plane indicated by the broken line 22 of Fig. 1, looking in the direction of the arrows. Fig. 3 is a detail view, also on an enlarged scale,

- in sectionon the plane indicated by the 'line 38 of Fig. 1-, looking in the direction of the arrows. I

The head a, sill b and the verticalslde bars 0 of the window frame are constructed of sheet metal in substantially the same manner as heretofore, except wlth respect to the face (Z or pocket, as it is called in the art, of each vertical side bar. Each vertical side bar 0 of the frame, is formed of a continuons sheet of metal, having near theouter and inner sides inturned flanges 0 between and upon which is fitted a be secured in place by which are secured at their ends to the verpocket (1, which may heavy metal braces 0,,

tical side bar, as by screws e ,-and are se- 1 cured to the pocket as by screws e The pocket (Z, or facing of the side frame, ismade of a single sheet of metal which is bent, as at (Z to lap the flanges c and to form, adjacent to the flanges 0, guide chane nelscl It is also bent to form intermediate guide channels (Z There are thus provided in the facing or dpocket four vertical guide channels d and two for eachsash.

A double-hung window, such as that to which this invention relates, comprises two vertically movable sashes, an upper sash f and a lower sash Each of these sashes is made. of sheet metal. The head f and the meeting rail f of the upper sash and the foot 9 and the meeting rail 9 of the lower Sash may be formed in any suitable manner in harmony with the construction of the side bars, with which the inventionis particularly concerned. Each side bar it is made of a continuous sheet of metal bent to form a front face k with a recess h to receive the glass, parallel inner and outer faces h h", a rear face A and guide ribs h h which project beyond the rear face it at each edge thereof. Each rib k is formed by lappin one face-h about a'flange of the rear face L while each rib h" is formed by doubling the metal upon itself, as clearly shown in Fig. 3. Each sash therefore has,

at each side, two guide ribs which enter two corresponding channels in the pocket or facing ofthe frame, the guide strips also constituting weather-guards, so that each sash,- at each side, is provided with a double weather-guard whereby the admission of air at the sides of the sashes, when the window is closed, is effectively prevented. Furthermore, it will be observed, this double Weather-guarding of the sash is accomplished without the use of separate strips and therefore with mncli less cost than would be involved in the provision of separatestrips. Adjustment of the pocket may be effected by adjusting the screws 6 or the screws c or both, these screws being tapped l l l into the bracing c by which the pocket or facing is secured to the window frame. The bracing e, as will be observed, is preferably bent in substantially a double S-shape so as to conform somewhat to the inner contour of the pocket or facin I claim as my invention:

1. In combination, a metal window frame having a vertical side bar formed with inturned flanges and a separable pocket or facing plate formed in one piece with two vertical channels and its edges turned in and lapped. outwardly upon said inturned flanges to permit the pocketor facing plate to L moved inward and forming guidechannels with said inturned flanges, and heavy metal braeings secured to the frame and to the facing plate.

2. In combination, a metal window frame having a vertical side bar with inturned flanges and a separable pocket or facing plate formed in one piece with two vertical channels and with its edges turned inward and lapped outwardly on said vertical flanges to permit the pocket or facing plate to be moved inward and form guide chan nels with said flanges and metal sashes having each of its side members formed with two guide ribs to enter the corresponding channels in the face plate. 30

3. In combination, a metal window frame having a vertical side bar with inturned flanges and a separable pocket or facing plate formed in one piece with two vertical channels and with its edges turned inward 35 and lapped outwardly on said vertical flanges to form therewith guide channels and metal sashes having each of its side members formed with two guide ribs to enl ter the corresponding channels in the face 40 plate, and heavy metal bracing secured to the frame externally and internally with respect to the sashes and to the facing plate.

This specification signed and witnessed this 5th day of August A. 1)., 1913.

ALEXANDER FROMHOLD.

Signed in the presence of-- I-IAnoLo B. CANAVAN, Ismon SAMET. 

